html {
    color: #333;
    /*规定主色调,依据业务场景(非必须)*/
    background: #F6F6F6;
    /*规定主背景,依据业务场景(非必须)*/
    overflow-y: auto;
    /*如果有溢出自动形成滚动条*/
    -webkit-text-size-adjust: 100%;
    /*不想让iPhone横坚屏切换的时候调节文字*/
    -ms-text-size-adjust: 100%;
}

html * {
    /*所有元素*/
    outline: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    /*去除移动端开发点击事件灰色背景如a标签*/
}

body,
html {
    height: 100%;
}

article,
aside,
blockquote,
body,
button,
code,
dd,
details,
div,
dl,
dt,
fieldset,
figcaption,
figure,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hgroup,
hr,
input,
legend,
li,
menu,
nav,
ol,
p,
pre,
section,
td,
textarea,
th,
ul {
    margin: 0;
    padding: 0;
}

input,
select,
textarea {
    font-size: 100%;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}